Abstract:This paper reports the influence of heat treatment temperature on the microstructural changes that may occur in an XC38 forged steel grinding ball. Three austenitizing temperatures (870°C, 950°C and 1150°C) were used and a tempering at 250 °C followed by air cooling was carried out. Optical and scanning electron microscopies, as well as X-ray diffraction, were performed to investigate the microstructure and phase of the different samples. Microstructural analysis using the Rietveld method was conducted to acce… Show more
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